In 12-inch skillet, cook sausage over medium heat 8 to 10 minutes, stirring occasionally, until no longer pink; drain. Spray 3- to 4-quart slow cooker with cooking spray. In slow cooker, mix sausage and all remaining ingredients except macaroni and cheese.
Cover; cook on Low heat setting 6 hours.
Stir macaroni into slow cooker. Increase heat setting to High. Cover; cook about 20 minutes longer or until macaroni is tender. Sprinkle with cheese.