Heat oven to 350°F. In a 4- to 5-quart Dutch oven, heat 1 tbsp oil over medium-high heat. Add chicken and cook, turning about 4 min; transfer to a plate. Add ham and sausage; cook until lightly browned, about 3 min. Transfer to plate with chicken. Add remaining 1 tbsp oil to Dutch oven. Add onion, celery and garlic; cook until just softened, about 4 min. Stir in rice, tomatoes, broth, bell pepper, Cajun seasoning, bay leaves and meats and bring to boil.