Cook smoked sausage in a Dutch oven over medium heat, stirring constantly, 3 minutes or until browned. Add celery, onion, and bell pepper, and sauté 6 to 8 minutes or until vegetables are tender.
Stir in chicken and next 3 ingredients; bring to a boil. Cover, reduce heat, and simmer 45 minutes or until rice is done and liquid is absorbed. Remove from heat, and let stand 10 to 15 minutes before serving. Garnish, if desired.