Heat olive oil in a large saucepan over medium heat. Cook onion, sweet pepper and garlic in hot oil about 5 minutes or until tender. Stir in undrained stewed tomatoes, chicken broth, ham and Cajun seasoning. Bring to boiling; reduce heat. Simmer, uncovered, for 5 minutes. Stir in rice. Remove from heat. Cover and let stand about 5 minutes or until rice is tender.