If you go with a trad publisher, expect to be rejected many times. Although it is emotionally difficult do not be discouraged - rejection is not a fiasco. Keep trying - success is the next chapter of failure!
“Listen to the mustn’ts, child. Listen to the don’ts. Listen to the shouldn’ts, the impossibles, the won’ts. Listen to the never haves, then listen close to me … Anything can happen, child. Anything can be.” —Shel Silverstein.