Place one haddock steak on sheet of aluminum foil. Pour Vidalia Onion Dressing over haddock. Pull up 2 sides of foil; fold over twice to create tent over haddock. Do not wrap tightly. Fold over ends of foil 2 times to seal foil pack. Repeat with remaining pieces of haddock. Place packets on grill or in oven for 20 minutes at 350°. Makes 4-6 servings.