In a large pot, heat oil over medium heat. Add chicken and sausage, cooking until browned.

Add onion, bell pepper, celery, and garlic. Sauté until vegetables are tender.

Stir in rice, chicken broth, diced tomatoes, cajun seasoning, salt, and pepper.

Bring to a boil, then reduce heat, cover, and simmer for 20-25 minutes until rice is cooked.

Remove from heat and let sit for 5 minutes before serving.