Wrote a short, now what?

I wrote 'Christmas Ham Sandwich' last year. It's about 8,000 words and a cute little story. It's not my best writing but I don't really want to rewrite it because I'm planning on expanding it into a full book. However, the short is told mostly from one character's POV and the book will be mostly from the other MC's POV (and be a bit darker). So, the entire feel of the story will change with the expansion.
Now I'm torn with what to do with the short. Any opinions?