Preheat grill to medium heat.
Mix barbecue sauce, pineapple with its liquid, the cinnamon and dry mustard until well-blended.
Remove 1/2 cup of the barbecue sauce mixture; set aside for later use.
Brush chops with remaining barbecue sauce mixture.
Grill chops 5 minutes on each side.
Continue grilling 5 minutes or until cooked through (160°F), turning occasionally and brushing with the remaining barbecue sauce mixture.
Serve with the reserved 1/2 cup barbecue sauce mixture. |