50NL: QQ bad turn card

Just started out playing a bit of 6max ;-)

$0.25/$0.5 Blinds No Limit Hold'em - *** 07 29 14:38:43 2007
Table Upper Canada (Real Money)
Seat 6 is the button
Total number of players : 6
Seat 10: Hero ( $53.75 )
Seat 1: HBJP ( $69.36 )
Seat 3: m0zZa ( $40.52 )
Seat 4: bra94978 ( $20.7 )
Seat 6: Didier78 ( $42.8 )
Seat 9: iste ( $49.5 )
iste posts small blind [$0.25].
Hero posts big blind [$0.5].
** Dealing down cards **
Dealt to Hero [ http://www.flopturnriver.com/phpBB2/.../smiles/qd.gif http://www.flopturnriver.com/phpBB2/.../smiles/qc.gif ]
HBJP folds.
m0zZa folds.
bra94978 raises [$1.5].
Didier78 folds.
iste calls [$1.25].
Hero raises [$7].
bra94978 calls [$6].
iste calls [$6].
** Dealing Flop ** [ http://www.flopturnriver.com/phpBB2/.../smiles/js.gif http://www.flopturnriver.com/phpBB2/.../smiles/6h.gif http://www.flopturnriver.com/phpBB2/.../smiles/2s.gif ] (pot: $22.5)
iste checks.
Hero bets [$18].
bra94978 calls [$13.2].
iste calls [$18].
** Dealing Turn ** [ http://www.flopturnriver.com/phpBB2/.../smiles/js.gif http://www.flopturnriver.com/phpBB2/.../smiles/6h.gif http://www.flopturnriver.com/phpBB2/.../smiles/2s.gif ][ http://www.flopturnriver.com/phpBB2/.../smiles/4s.gif ] (pot: $61.7)
iste checks.
Hero ???

iste was 13/7/1.2. The turn is a bad card. Is a check/fold the best line here against such a nit? I was not worried at shorty he might a PP or AJ

Check, the pot is mostly protected by the short-stack.

If shorty was not there, would you still check?