Lightly spray your crock pot with nonstick spray. Stir and then rub spices onto the pork pieces. Add pork and the can of soda to the crock pot. Cook for 8-10 hours on low or 4-6 hours on high. Remove pork and shred. Discard any juices. Add the sauce and stir well. Heat until sauce is warm. Toss cabbage with coleslaw dressing. Layer pork and coleslaw in toasted buns. Half orders - use a small crock pot and ½ can of Dr. Pepper. Be careful to not burn it!
