Mexican Cheese Dip

1 lb. hot sausage
2 lb. box Velveeta® cheese
1 can golden mushroom soup
1 can (medium) mushrooms, chopped
1 onion, chopped
1/2 lb. sharp Cheddar cheese
1 can tomatoes with green chilis
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      Melt cheeses.  Fry sausages and onion.  Drain well.  Mix all ingredients in crockpot.  Keep warm and serve with corn chips or Doritos.