Corned Beef Dinner

1 12-oz can chopped corned beef
1 6-oz pkg macaroni
1 can cream of chicken soup
Velveeta, cubed{0.25 lb}
0.5 cup chopped onion
0.75 cup bread crumbs

Cook macaroni, rinse and drain. Combine with the rest of the ingredients except crumbs. Bake for 1 hour at 375 degrees. Add crumbs on top during last 15 minutes of baking.