Brown the ground beef in a pan over medium heat. Add the onion powder and chili powder. Stir until combined.
Drain the meat and add to crockpot. Add the entire can of Rotel (do not drain). Add the southwestern corn (do drain) and ½ can of black beans (drain these also).
Add the ranch and taco packets. Fill up the empty Rotel can one and a half times with water and add to crockpot. Stir to combine.
Cook on low for 4-6 hours.
Top with crushed tortilla chips and mexican shredded cheese. Add additional toppings as you like.