Center half of ribs in single layer on each sheet of Reynolds Wrap® Heavy Duty Aluminum Foil.
Combine brown sugar and seasonings; rub over ribs, turning to coat evenly.
Bring up foil sides. Double fold top and one end to seal packet. Through open end, add 1/4 cup water or 3 to 4 ice cubes. Double fold remaining end, leaving room for heat circulation inside. Repeat to make two packets.
Place rib packets in covered grill and grill 45 to 60 minutes.
Remove foil; place ribs on grill
Brush ribs with barbecue sauce. CONTINUE GRILLING 10 to 15 minutes, brushing with sauce and turning every 5 minutes.
Place rib packets on a cookie sheet and bake in oven 45to 60minutes.
Remove foil; place ribs on broiler pan. BRUSH ribs with barbecue sauce. BROIL 4to 5inches from broiler, 10to 15minutes, brushing with sauce and turning every 5minutes.
