Brown the ground beef and onions in a large skillet; drain the excess fat

Transfer the browned beef and onions to a large slow cooker or a stockpots.

Add the beans, corn, tomatoes, green chiles, black olives, green olives, taco seasoning, and ranch dressing mix.

Cook in a slow cooker on low for 6 to 8 hours or simmer over low heat for about 1 hour in a pot on the stove.

To serve, place a few corn chips in each bowl and ladle soup over them. Top with sour cream, cheese, green onions, and jalapenos.