Slow-Cooker Caribbean Spiced Ribs

Spray inside of 5- to 6-quart slow cooker with cooking spray.

Remove inner skin from ribs if desired. In small bowl, mix dried minced onion, mustard, red pepper, allspice, cinnamon and garlic powder. Rub mixture into ribs. Cut ribs into 4-inch pieces. Layer ribs and sliced onion in slow cooker. Pour water over ribs.

Cover; cook on Low heat setting 8 to 9 hours.

Remove ribs from cooker; drain and discard liquid from cooker. Pour barbecue sauce into shallow bowl; dip ribs into sauce. Return ribs to cooker. Pour any remaining sauce over ribs.

Cover; cook on Low heat setting 1 hour longer.