Ingredients:

1/3 cup packed brown sugar
2 tbsp dry mustard
1 ¾ tsp paprika
2 tsp kosher salt
1 tsp fresh ground black pepper
2 racks pork baby back ribs
½ cup barbecue sauce

Directions:

Combine sugar, mustard, paprika, salt and pepper. Rub mixture evenly  onto ribs to coat. Place ribs on covered grill opposite medium grill. Grill 30 to 45 minutes or until tender and cooked through, turning once and brushing  with barbecue sauce during last 10 minutes of grilling.