villain is 31/11/0.9 over 70...do i raise his flop bet here? and also, he bets to small on the turn but its possible that im drawing to 1 out...wat to do?

Party Poker
No Limit Holdem Ring game
Blinds: $1/$2
6 players
Converter

Stack sizes:
UTG: $200
UTG+1: $223.17
Hero: $200
Button: $237
SB: $640.51
BB: $228.80

Pre-flop: (6 players) Hero is CO with J T
UTG calls, UTG+1 raises to $8, Hero calls, 4 folds.

Flop: 2 K 9 ($21, 2 players)
UTG+1 bets $15, Hero calls.

Turn: 9 ($51, 2 players)
UTG+1 bets $15.