Cheesy Sour Cream Chicken Enchiladas

Name: Cheesy Sour Cream Chicken Enchiladas
Ingredients: 10 flour tortillas; 2 1/2 cup cooked chicken, shredded; 1/2 onion, chopped; 1/2 Bell pepper, chopped; 1 can diced green chilis; 3 cup chicken broth; 3 tbsp butter; 3 tbsp flour; 1 tbsp paprika; 1 tbsp chili powder; 1 1/2 cup sour cream; 4 cup shredded queso cheese