Heat olive oil in large skillet over medium heat and brown sausage pieces on all sides, 5-6 minutes.
Add onion, bell pepper, and celery and sauté until tender, 6-8 minutes.
Stir in garlic and cook 30 seconds until fragrant.
Add drained beans, chicken broth, Cajun seasoning, bay leaf, and smoked paprika.
Cover and simmer 15 minutes, stirring occasionally, until thickened and saucy.
Remove bay leaf and adjust seasoning to taste.
Serve over white rice with hot sauce on the side.