In large soup pot, sauté onion in olive oil for 5-6 minutes. Add ground beef, breaking apart with wooden spoon. Cook beef and onion mixtures for 6-7 minutes, or until beef is browned.
Add remaining ingredients; stir well to combine.
Bring chili to a low boil, reduce heat to medium-low and simmer, uncovered for 20-25 minutes, stirring occasionally.