Sloppy Joe Pot Pie

INGREDIENTS

1 lb

ground beef (I think ground turkey or chicken would also work well)

1/2

onion, diced

1 15 1/2 ounce can

of sloppy joe sauce (like Manwich)

1 1/4 cups

shredded cheddar cheese, divided

1 cup

baking mix (like Bisquick)

1/2 cup

milk (I used skim)

egg