Feedback Request

Dear E.E. and Minions,
I’m back for another try at this. 
I’d like to make a couple comments before getting to the rewrite.  
First, I stole E.E.’s paragraph. It said what I've been trying to get at too perfectly to allow it to be just an example. Hope you don’t mind E.E.!
Second, it seems I started a debate with the main character names. I have done a lot of research into the time and area the book’s set in. With the year changed to 1885 as E.E. suggested for the first submission, the character names appear even more out of touch with the timeline than the original 1898 setting. I chose the name Dustin because of the link to Irish-American I have for the male MC. Shelly was a man’s name in the 1800’s according to the research I conducted. Does the fact I address this as Shelly’s father planning to name his son Shelly and sticking his daughter with the name alleviate the gender issue? Think along the lines of Johnny Cash’s “A Boy Named Sue.”
Thank you for your comments and suggestions. I have been very focused on developing the hook and totally missing that goal. My hope is E.E.’s paragraph provided the hook and focus for me to get the query closer to what it needs to be. I will keep working on this query as a learning experience even if I never submit the novel to an agent.
Now, I offer up the fifth draft for E.E. and the Minions (Sounds like a heavy metal band):

When drifter Dustin Leahry takes a job working Shelly Cartwright's West-Texas ranch, he has no idea he'll be facing down four gunmen twenty-four hours later. The year is 1885, and Shelly is the county's last holdout against August Benson's land-grabbing scheme. Benson's gunslingers are there to intimidate Shelly into selling . . . or drive her out by force.
When the riders show up, Dustin realizes things have turned deadly and puts his lightning-fast gun hand to good use. He’s seen range wars before and knows he should move on but his feelings for Shelly keep him at her side.
Shelly teams with a rancher who hates August Benson as much as she does. The rancher gives her a herd of horses to drive from Pecos to Abilene. During the drive, Dustin and Shelly’s attraction turns into love. When they get to Abilene, the Cavalry buys the horses and Shelly realizes she can buy supplies there.
Meanwhile, August Benson and his men take over San Angelo. Having no one to stop him, he sends his hired hands to wipe out everyone on the Cartwright Ranch. Dustin and Shelly return in time for the fight. The gunmen have the tables turned on them by traps set by the Cartwright crew.
Dustin takes the fight to San Angelo knowing he’s facing a town owned by his loved one’s enemy. If he fails, Shelly and her men are dead. If he succeeds, the deaths he causes might force him to continue drifting.
Drifter: San Angelo Showdown is approximately 118,000 words.
Thank you for your time and consideration.