Where are you going to liive? As a minor, I guess you can live anywhere you want so long as your parents don't object. You should be with one of your parents. No one will let you sign a lease because you are a minor. If your parents don't want you and your sister doesn't either, you need to reassess your relations with your dad. Living on your own is HARD! You might come to the attention of CPS and end up in foster care.
I am not intending this to be legal advice, because I don't know the particulars of your situation. Call me if you would like to discuss this or other isues.
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