Bet size on flop and do you push the turn?

[Troll_Inc]

PokerStars Game #13466805710: Omaha Pot Limit ($0.50/$1.00) - 2007/11/25 - 17:45:09 (ET)

Seat 1: twosevoff ($138.90 in chips)
Seat 2: Kurtan ($193.10 in chips)
Seat 3: Rondel-Side ($18.50 in chips)
Seat 4: transact ($441.70 in chips)
Seat 5: Trolleur ($100 in chips)
Seat 6: Pesci Grandi ($66.45 in chips)
Pesci Grandi: posts small blind $0.50
twosevoff: posts big blind $1

*** HOLE CARDS ***
Dealt to Trolleur [K[img]/images/graemlins/spade.gif[/img] 5[img]/images/graemlins/diamond.gif[/img] K[img]/images/graemlins/heart.gif[/img] 8[img]/images/graemlins/diamond.gif[/img]]
Kurtan: folds
Rondel-Side: calls $1
transact: calls $1
Trolleur: raises $2 to $3
Pesci Grandi has timed out
Pesci Grandi: folds
Pesci Grandi is sitting out
Pesci Grandi has returned
twosevoff: calls $2
Rondel-Side: calls $2
transact: calls $2

*** FLOP *** [Q[img]/images/graemlins/diamond.gif[/img] 3[img]/images/graemlins/spade.gif[/img] T[img]/images/graemlins/diamond.gif[/img]]
twosevoff: bets $10
Rondel-Side: folds
transact: calls $10
Trolleur: raises $20 to $30 (I want to raise here how much?)
twosevoff: folds
transact: calls $20

*** TURN *** 5 [img]/images/graemlins/spade.gif[/img]
transact: checks
Trolleur ??????