Adoption subsidies are available for children with special needs. Federal subsidies were created by Congress (through Public Law 96-272-the Adoption Assistance and Child Welfare Act of 1980) to encourage the adoption of special needs children and remove the financial disincentives to adoption for the families. For further information go to the following websites.

http://www.nacac.org/adoptionsubsidy/stateprofiles/minnesota.html
Relative Custody Assistance: Help for people who accept custody of a child through juvenile court