Mix contents of seasoning packet, hot water and butter in large bowl until butter is melted. Stir in stuffing crumbs just to moisten. Let stand 5 minutes.
Place chicken in a 13 x 9-inch baking dish. Mix soup and sour cream, then pour over chicken. Top with stuffing. Bake at 375° F for 35 minutes or until chicken is cooked through.Servings: 4