In another skillet add in diced tomatoes, red beans, water and taco seasoning; stir.  Bring mixture to a boil.  Simmer over low heat for 8-10 minutes; stirring occasionally.  Add in sausage and onion mixture.

Crush tortilla chips and place in a lightly greased 13×9-inch baking dish; cover with layers of 1 cup soy cheese then skillet contents and finally remaining cheese.

Bake 30 minutes. Cut dish into 8-inch squares.  Topped with soy sour cream and garnish with cilantro.