Heat a large pot, over medium-high heat; drizzle lightly with oil.
Add ground beef and chopped onion; crumbling and stirring occasionally until browned.
Add jalapeno and garlic; saute for 1 minute; drain excess fat from beef mixture.
Stir in tomatoes with chiles, beef broth, tomato sauce, chili powder, cumin, paprika, oregano and ranch dressing; mix and season with salt and pepper, to taste.
Cover pot with lid; simmer 30 minutes; stirring occasionally.
Add corn, black beans and pinto beans; cook until heated through.
Add 1/2 cup water to thin soup, if desired.
Serve warm finished with desired toppings, if using.