What about explaining the situation to the shelter you got her from? I know they probably hear excuses all the time and it sounds like a dreadful place, but what about asking if you can foster her, for THEM. Once she finds a home, the people can make the check out to you?

Don't feel bad. You did what you thought was right and while it can be a pain, it'll work out.

Your furkids are in EXCELLENT homes, Donna. Remember that.