Use fork to beat together milk and eggs in large bowl. Stir in bread cubes. Let stand 15 minutes. Heat oven to 350°. Grease 8×4-inch loaf pan. Add ground meats to milk mixture. Stir until well mixed, using hands to mix as necessary. Pat meat mixture evenly into greased loaf pan. Bake 1 hour. Stir together chili sauce and brown sugar in small bowl; spoon evenly over ham loaf. Bake until internal temperature is 160°, about 10 minutes more. Let stand 10 minutes. Carefully slice and serve.