6 5Cchoppen cooked chicken breasts 1eacan cream of chicken soup (10-3/4 oz) 0.5ealarge onion 1tspbutter or margarine 1Csour cream 0.5Cmilk 2Cshredded cheddar cheese 2eapkgs lg refrigerator biscuits (i.e. grands) Preheat oven to 350 degrees.  Grease 9x13 baking dish.  Chop onion & saute over medium heat with butter until tender.  Combine onion, chicken, soup, sour cream, milk and 1-1/3 cup cheese in large bowl and mix well.  Spoon mixture into prepared baking dish.  Arrange biscuits in single later over top (you will have some left).  Bake until biscuits are golden brown and sauce is bubbling.  Sprinkle remailing cheese over the top and bake for an additional 2-3 minutes until melted.  Serve while hot.