I want to sign over my parental rights, the mother keeps playing games tell lies, and have had her dad threating me. I can't deal with it no matter what I do, I am still the bad guy. I have another daughter and I can't afford child support.

Whatever gave you the idea you could sign over your parental rights? Please review this sticky:
https://www.askmehelpdesk.com/family-law/signing-over-rights-read-first-116098.html

If you have any further questions feel free to ask.