Heat oven to 375°F. In large skillet, brown ground beef with onions; drain. Stir in sandwich sauce and corn. Cook 2 to 3 minutes or until thoroughly heated, stirring occasionally.
Spoon mixture into ungreased 1 to 1 1/2-quart casserole. Separate dough into 5 biscuits; cut each in half. Arrange, cut side down, around outside edge of hot mixture with sides of biscuits touching.
Bake at 375°F. for 15 to 20 minutes or until biscuits are deep golden brown.