Heat large nonstick skillet sprayed with cooking spray on medium heat. Add half the patties; cook 5 to 7 min. on each side or until firm and evenly browned on both sides. Brush evenly with about 2 Tbsp. of the remaining barbecue sauce; turn. Cook 30 sec.; turn. Brush evenly with about 2 Tbsp. of the remaining barbecue sauce. Remove from skillet. Repeat with remaining patties and barbecue sauce.