Crockpot curry chicken

From peggyann at yaaps, who got it from a Piggly Wiggly flier.

10 chicken thighs, skin removed
1 16 oz jar salsa
1 medium onion, chopped
2 Tbsp. curry powder
1 cup sour cream

Place chicken in crockpot. Combine salsa, onion and curry powder, pour over chicken. Cover with lid, cook on low for 8-10 hours, or high for 5 hours. Remove chicken to serving platter, keep warm, stir sour cream into salsa mixture until well blended, serve over chicken.