Have you called Women in Distress? If they can't directly help you with residential lodging, they will surely understand your plight, and have a myriad of resources for you.
I'm sorry you learned a hard lesson. They are often about money, too.
I would hope you wouldn't have to spend the rest of your money just to get away from your relatives! That might have been a mistake as you said, but don't compound it by believing you have to have more treatment in order to live on your own. That sounds like something they told you.
You could also check with the Salvation Army, as they have jobs and training and assistance in finding lodging etc.
You can do this. Put your money in a safe place where it can draw some interest, and try living without the interference of those who just don't understand you.