Put half of the onions in bottom of the crockpot then add meat and other ingredients with remaining onion on top. Cover and cook overnight or 8-12 hrs., on low. Remove bone and fat from meat. Put meat back in pot. Add: 1 large onion, chopped and One 16-oz. Bottle of barbecue sauce. Cover and cook about 1-3 hours on high or 4-8 hrs. On low, stirring 2-3 times. Serve from the crock pot on large buns. Yum!