I'm not sure how to play these. First hand, no reads

Poker Stars $75+$7 No Limit Hold'em Tournament - t10/t20 Blinds - 5 players - View hand 2445425
DeucesCracked Poker Videos Hand History Converter

Hero (SB): t1500 75 BBs
BB: t1500 75 BBs
UTG: t1500 75 BBs
CO: t1500 75 BBs
BTN: t1500 75 BBs

Pre Flop: (t30) Hero is SB with 9 9
UTG raises to t60, CO calls t60, BTN calls t60, Hero ???

b: Let's say

Hero calls t50

Flop: (t260) 3 2 J (5 players)
Hero ???