MyFridgeFood - Creamy Chicken Enchiladas

Ingredients

• 1 lb chicken breast, diced
• 1 medium onion, chopped
• 1 tablespoon vegetable oil
• 8 (8 inch) flour tortillas, softened
• 1 1/2 cups grated monterey jack cheese or 1 1/2 cups Mexican blend cheese, divided
• 1/4 cup butter
• 1/4 cup flour
• 1 (15 ounce) can chicken broth
• 1 cup sour cream
• 1 (4 ounce) can chopped green chilies