Paige's Taco Soup

	2 lbs ground beef
	1 onion
	2 cans pinto beans, undrained
	2 cans stewed tomatoes
	2 cans Rotel tomatoes [mild, medium, or hot]
	1 1/2 lbs Velveeta cheese
	16 ozs sour cream
	unflavored taco chips

Chop the onion and lightly sauté. 
Brown the ground beef and drain. 
Mix all ingredients except taco chips over low heat.
Crumble taco chips on top as you serve.