Brown ground beef with onions, drain.
Whlie hamburg is cooking, prepare noodles according to package, drain.
Mix tomato soup and brown sugar into hamburg.
Mix cream of chicken and cheddar cheese soups and milk into noodles.
Put noodles mixture into 9X13 pan or casserole dish, top with cheese, then hamburg mixture.
Bake covered for 40-45 minutes at 350*