Remove membrane from ribs.
Generously season with BBQ rub on both sides.
Step 2: Searing (Optional)
Optionally, sear ribs in Instant Pot using sauté function for added flavor
Add water or broth, place trivet in Instant Pot.
Optionally add onions and garlic.
Arrange seasoned ribs on trivet, cook on high pressure for 25-30 min