Pork Ribs with Raspberry Sorghum Barbecue Sauce

Name: Pork Ribs with Raspberry Sorghum Barbecue Sauce
Ingredients: 1 1/2 Tablespoon onion powder; 1 1/2 Tablespoon brown sugar; 1 Tablespoon chili powder; 1 Tablespoon salt; 1 1/2 Teaspoon black pepper; 1 Teaspoon dry mustard powder; 1/4 Teaspoon cayenne; Cooking spray; 2 racks pork spareribs or 1 large rack (about 4 pounds total), trimmed; 1 1/2 Cup fresh raspberries or blackberries; 2 small cloves garlic, chopped; 1/2 Cup chopped onion; 1/2 Cup firmly packed brown sugar; 1/2 Cup sorghum syrup, unsulfured light molasses, or honey*; 1/2 Cup ketchup; 1 Tablespoon cider vinegar; 1 Teaspoon powdered ginger; 1/4 Teaspoon dried red pepper flakes; Salt and black pepper, to taste