Cheesy Chicken Mac Casserole

2 C. uncooked elbow macaroni
2 (5 oz.) cans chunk chicken
2 C. sheredded cheddar cheese
2 C. milk
2 cans cream of chicken soup
1 4 oz. can mushrooms
1/4 C. chopped onion

Preheat oven to 350 degrees. In a large bowl combine the macaroni, chicken, cheese, milk, soup, mushrooms and onion. Mix together and put into 9x13 baking dish. Bake at 350 degrees for about 45 minutes or until bubbly and golden brown.