In saucepan, cover liver with hot water; simmer 5 minutes.
Drain; reserve 1 cup stock.
Put liver and onion through medium blade of food chopper.
Add pork, next 6 ingredients, and reserved stock.
Form mixture into loaf in 8 1/2x4 1/2x2 1/2-inch baking dish.
Top with bacon.
Bake at 350° for 1 hour.
Drain off excess fat.
Let stand 10 minutes.