QQ, reraised pot vs. weird player...turn/river line

[BombayBadboy]

Party Poker - No Limit Hold'em Cash Game - $1/$2 Blinds - 5 Players - (LegoPoker Hand History Converter)

Hero (SB): $204.00
BB: $309.90
UTG: $199.00
CO: $349.15
BTN: $199.00

Reads: <font color="blue">Villain is 40/20/2 over &gt;100. He has been minraising pre frequently. I've seen him donk the turn 1/4 pot once when he c/ced the flop first. After that he lead the river full pot and the other player folded. Unusual type of player.</font>

Preflop: Hero is dealt Q[img]/images/graemlins/club.gif[/img] Q[img]/images/graemlins/spade.gif[/img] (5 Players)
UTG folds, <font color="red">CO raises to $4.00</font>, BTN folds, <font color="red">Hero raises to $16.00</font>, BB folds, CO calls $12.00

Flop: ($34) 8[img]/images/graemlins/diamond.gif[/img] 7[img]/images/graemlins/spade.gif[/img] 5[img]/images/graemlins/heart.gif[/img] (2 Players)
<font color="red">Hero bets $26.00</font>, CO calls $26.00

Turn: ($86) A[img]/images/graemlins/diamond.gif[/img] (2 Players)
Hero checks, CO checks

River: ($86) K[img]/images/graemlins/diamond.gif[/img] (2 Players)
Hero checks, <font color="red">CO bets $30.00</font>, Hero calls $30.00

Pot Size: $146.00 ($2 Rake)

Calling down is best?