Being "railroaded" so that the transition of my daughter's adoption cannot be contested by me...

Until 5 months ago I had been chronically homeless for 14 years, and during that time I had a daughter with someone who was also homeless at the time (who left the streets long before I did). A couple of years went by and I saw her with my daughter (who she denied, at the time was mine). Inevetably after her rebuttals toward me being allowed to see my daughter, I ecxplained to her that I would seek court assistance for visitation rights. She told me that if I did that she would retaliate by "hitting me up for child support because I would be killing her hustle", (apparently she was lying to another man, saying that he was my daughter's father, and truly knew that he wasn't- despite the obviousness that me and my daughter was identical n appearance). We went to court, and paternity was established.... I was "hit for child support" but disallowed from visitation "due to my living status". This past winter I began getting letters from Illinois child support enforcement explaining that I owed over $9,000 in back pay to her mother, in addition to over $2500 in back pay to DCFS. I then found out that way that my daughter had been in foster care and is apparently now up for adoption on May 12 of this year. I immediately began seeking information from my daughter's caseworker in regards to seeking visitation rghts and custody, and the caseworker is insistant upon me esablishing paternity, (which does'nt make sense due to me owi