Set the Instant Pot to the sauté setting and add 2 pounds ground beef. Cook the beef until browned, using a spatula to break the meat into crumbles while cooking.
Add 2 cans crushed tomatoes, 1 can tomato sauce, ¼ cup chili seasoning, 1 teaspoon garlic salt, ½ chopped onion, 2 cans rinsed and drained kidney beans, and 1 cup beef broth to the Instant Pot.
Stir all the ingredients together until well combined.
Seal the Instant Pot lid and cook on high pressure for 15 minutes.
Carefully perform a quick release once the cooking time is complete.
Serve the chili hot topped with shredded cheddar cheese and sour cream. Enjoy!