Smear refried beans, then sprinkle cheese, then chicken, then some more cheese (the melted cheese will act as glue) evenly on 5 tortillas; top with remaining 5 tortillas. Microwave quesadillas about 30 seconds or until cheese starts to melt OR cook in a non-stick skillet until tortillas are crispy and cheese is melted. Cut each into I quarters and serve with dip made by mixing equal parts sour cream and salsa and mashed avocado (optional).