Combine rub ingredients in a small bowl. Coat ribs with rub.
Place rubbed ribs, chicken stock and ketchup into Instant Pot and set it to 'high' pressure for 15 minutes. After time is up, do a 15-minute natural release.
Carefully place ribs on foiled pan, coat with bbq sauce, and broil for 2-4 minutes. Watch it to make sure it doesn’t burn.
Let sit for 10 minutes before cutting into it and enjoying!
