1/2 cup chopped red onion
5 tablespoons butter or margarine, softened, divided
3 ounces cream cheese, cubed
1/3 cup sour cream
2 cups cubed cooked turkey
8 slices dark rye or pumpernickel bread
4 slices Swiss cheese

In a saucepan over medium heat, saute onion in 1 tablespoon of butter until tender. Reduce heat to low.

Add cream cheese and sour cream; cook and stir until smooth.

Add turkey; cook until heated through (do not boil). Spoon 1/2 cup filling onto four slices of bred; top with a slice of cheese.

Spread outside of bread with remaining butter.

In a skillet over medium heat, cook sandwiches until lightly browned on both sides.

4 servings