Combine beef, onions, egg and seasonings; shape into small balls.
Dip balls in cracker meal; brown in skillet in small amount of hot fat.
Place in 2-quart baking dish.
Blend soup with mushrooms, 2/3 cup sour cream and wine.
Bake at 350 degrees for 30 minutes.
Remove from oven; spoon remaining sour cream and dill over top.