1Heat oven to 425°F. Mix flour, salt, paprika and pepper. Sprinkle both sides of chicken with flour mixture.
2Melt butter in 13x9-inch (3-quart) glass baking dish in oven. Place chicken, skin sides down, in dish. Bake 45 minutes.
3Meanwhile, in 1-quart saucepan, heat all barbecue sauce ingredients to boiling, stirring occasionally. Keep warm.
4Drain and turn chicken; reduce oven temperature to 375°F. Spoon hot barbecue sauce over chicken. Bake 15 minutes longer or until juice of chicken is clear when thickest piece is cut to bone (170°F for breasts; 180°F for thighs and drumsticks).