Preheat oven to 350°F (175°C). Grease a 9x9-inch dish.
STEP 2
Cook chicken in microwave for 10 minutes. Cool and shred.
STEP 3
Heat refried beans in a saucepan over medium heat.
STEP 4
Layer half of chips, cheese, and green onions in the dish. Spoon beans over, then layer with cheese and sour cream. Add shredded chicken, remaining chips, and top with cheese.