Cook macaroni according to package directions. Meanwhile, in a large saucepan, cook beef and onion over medium heat, crumbling beef, until meat is no longer pink. Add garlic; cook 1 minute longer. Drain. Stir in next 8 ingredients. Bring to a boil. Reduce heat; simmer, uncovered, for 10 minutes. Drain macaroni; stir into beef mixture.