QQ balancey hand

***** Hand History for Game 9885539835 *****
$1000.00 USD NL Texas Hold'em - Tuesday, January 06, 09:55:06 ET 2009
Table Que (deep 6) (Real Money)
Seat 3 is the button
Seat 1: Josng ( $1479.00 USD )
Seat 2: snobhilldave ( $618.75 USD )
Seat 3: TehWetBandit ( $2857.55 USD )
Seat 4: Coolh4nd ( $1524.00 USD )
Seat 5: mrcdrc ( $782.75 USD )
Seat 6: Regulator06 ( $2783.30 USD )
Coolh4nd posts small blind [$5.00 USD].
mrcdrc posts big blind [$10.00 USD].
** Dealing down cards **
Dealt to Coolh4nd [ Qs Qc ]
Regulator06 raises [$35.00 USD]
Josng folds
snobhilldave folds
TehWetBandit folds
Coolh4nd calls [$30.00 USD]
mrcdrc folds
** Dealing Flop ** [ 8d, Qd, 6s ]
Coolh4nd checks
Regulator06 checks
** Dealing Turn ** [ Tc ]
Coolh4nd checks
Regulator06 bets [$60.00 USD]
Coolh4nd calls [$60.00 USD]
** Dealing River ** [ 8h ]
Coolh4nd checks
Regulator06 bets [$140.00 USD]
Coolh4nd raises [$440.00 USD]
Regulator06 raises [$2548.30 USD]
Coolh4nd calls [$989.00 USD]
Regulator06 wins $1259.30 USD
Regulator06 shows [Th, Ts ]
Coolh4nd shows [Qs, Qc ]
Coolh4nd wins $3055.00 USD from main pot

Would you have flat called the flop? Despite it being drawy? And what do you do on the river when D comes? Flat his $140?