Season ribs with rub and place in foil.
fold foil over lenthwise on both ends and crimp
crimp far end of foil and leave end closest to you open for pouring
add water and bbq mixture to ribs and close foil so it is sealed and forms a pouch
place foil pouch on sheet tray and place in oven
cook at 300 deg f. for 2 and a half to 3 hours untill meat pulls away from bone and is tender