Heat oven to 375 degrees.
Blend sour cream and salad dressing. Mix crackers, garlic powder, pepper and salt.
Dip chicken breasts
into sour cream mixture and then into crackers.
Place chicken skin side up in ungreased 15 1/2 x 10 1/2 x 1 inch jellyroll
pan. Cover and bake 45 minutes. Drizzle butter over chicken.
Bake uncovered until golden brown, 30 minutes.