Sour Cream Enchiladas

INGREDIENTS

• 2 skinless boneless chicken breasts, cut into 1-inch cubes
• 1 1/2 cups shredded Cheddar cheese
• 1 onion, chopped
• 12 (10 inch) flour tortillas
• 1 (10.75 ounce) can condensed cream of chicken soup
• 1 (3 ounce) can chopped green chiles, undrained
• 1 (8 ounce) container sour cream
• 1/2 cup shredded Cheddar cheese