Hot 'n Spicy Barbecued Chicken

chicken, poultry

1 cup reduced-calorie catsup
1/4 cup firmly packed brown sugar
1/4 cup lemon juice
1 tablespoon Worcestershire sauce
2 teaspoons water
1/2 teaspoon dry mustard
1/8 teaspoon garlic powder
1/8 teaspoon hot sauce
1 teaspoon paprika
1 teaspoon pepper
1/2 teaspoon dry mustard
1/4 teaspoon garlic powder
8 skinned; boned chicken
-- breast halves
-- (4-ounce)
vegetable cooking spray

Combine first 8 ingredients in a 1-quart measure; stir well. Cover with wax paper; microwave at HIGH 3 minutes. Set aside. Combine paprika and next 3 ingredients; sprinkle over both sides of chicken breast halves, and set aside. Coat grill rack with cooking spray, and place on grill over medium-hot coals. Place chicken on rack; cook 10 minutes on each side or until done, basting occasionally with catsup mixture.