Bleu Baked Chicken and Rice

Name: Bleu Baked Chicken and Rice
Prep time: 15 min
Cook time: 55 min
Total time: 1 h 10 min
Cuisine: American, Southern, Cajun And Creole
Ingredients: 6 chicken thighs; 1.5 cups blue cheese dressing (such as Ken's®); cooking spray (such as Pam®); 3 tablespoons extra-virgin olive oil, divided; 2 stalks celery, chopped and leaves reserved; 0.33333334326744 large onion, chopped; 2 cloves garlic, chopped; 2 cups white rice; 2 (14.5 ounce) cans chicken broth; 3 tablespoons red wine vinegar; 0.5 teaspoon Cajun seasoning blend (such as Tony Chachere's®), or to taste; 1.5 cups panko bread crumbs; 0.25 cup Parmesan-Romano cheese blend