Chicken Fajita Quesadillas

Name: Chicken Fajita Quesadillas
Ingredients: 1 pound boneless skinless chicken breasts; 1 packet fajita seasoning (1.27 ounce); 1 tablespoon vegetable oil; 1 green bell pepper, diced; 1 red bell pepper, diced; 1 medium onion, diced; 10 10-inch flour tortillas; 8 ounce package shredded cheddar cheese; 8 ounce package shredded Monterey Jack cheese; 2 cups Daisy Brand Sour Cream