Brown ground beef with onion over medium heat. Add salt and pepper to taste. Drain excess fat from the beef mixture.
Add beef and onion mixture to crock pot
Add Rotel, corn, beans, broth and water.
Stir in ranch and taco seasonings
Cook on low for 6-8 hours or on high for 3-4 hours
Serve with desired toppings or with rice, tortillas or cornbread