Instant Pot Fall Off the Bone BBQ Baby Back Ribs

INGREDIENTS

3 lb

rack of baby back ribs

1 tbsp

liquid smoke

2 tbsp

pork rub (I used Kansas City Gate's classic BBQ rub or McCormick's Grill Mates Pork Rub is another option)

salt and pepper (to taste)

1 cup

water

1/2

onion

1 cup

BBQ sauce (Use as much sauce as you prefer)