Sour Cream Chicken Enchiladas

Ingredients

• 1 pound chicken breast shredded
• 1 medium onion finely chopped
• 1 tablespoon vegetable oil
• 8 Flour tortillas
• 1 1/2 cups mexican cheese or monterey jack cheese, shredded
• 1/4 cup butter
• 1/4 cup flour
• 1 can chicken broth (15 oz.)
• 1 cup sour cream
• 1 can chopped green chilies (4 oz.)