Winter Pot Roast

Yield:	6 Servings
Categories:

4	lb	Chuck roast; (I used a 3 lb. boneless shoulder roast)
2	tb	Steak Sauce
2	md	Onions; sliced
2	cn	(8 oz.) of Tomato Sauce
1	c	Ketchup
1	ts	Salt
1	ts	Sugar
1/4	ts	Pepper
1 1/2	tb	Prepared Horseradish; (which I could not find, & it did not seem to be lacking in any flavor).