Place your chicken breasts, black beans, and white beans in your instant pot
Add the chopped onion, corn (with juice), tomatoes (with juice), and chicken broth
Mix in the chili seasoning, cumin, and ranch dressing
Stir everything to combine
Place the six pieces of cut cream cheese on top of everything
Put the lid on, put your instant pot into the sealed position and cook for 20 mins on manual high pressure. When the 20 minutes are over, let it depressurize for 10 minutes before switching the valve to the venting position before opening.