Value bet the river on these hands?

Both are Party 20+2 2-table SnGs. Moderately early in both.


Party Poker No-Limit Hold'em Tourney, Big Blind is t30 (7 handed) FTR converter on zerodivide.cx

BB (t1525)
UTG (t1245)
MP1 (t2114)
MP2 (t1091)
Hero (t1440)
Button (t1295)
SB (t1290)

Preflop: Hero is CO with A[img]/images/graemlins/heart.gif[/img], K[img]/images/graemlins/heart.gif[/img].
<font color="#666666">2 folds</font>, MP2 calls t30, <font color="#CC3333">Hero raises to t100</font>, <font color="#666666">3 folds</font>, MP2 calls t70.

Flop: (t245) Q[img]/images/graemlins/diamond.gif[/img], 3[img]/images/graemlins/heart.gif[/img], A[img]/images/graemlins/club.gif[/img] <font color="#0000FF">(2 players)</font>
MP2 checks, <font color="#CC3333">Hero bets t150</font>, MP2 calls t150.

Turn: (t545) 4[img]/images/graemlins/club.gif[/img] <font color="#0000FF">(2 players)</font>
MP2 checks, <font color="#CC3333">Hero bets t300</font>, MP2 calls t300.

River: (t1145) Q[img]/images/graemlins/spade.gif[/img] <font color="#0000FF">(2 players)</font>
MP2 checks, Hero ?

Is he going CR the river Q scare card or is he just on a weak ace?



Party Poker No-Limit Hold'em Tourney, Big Blind is t15 (9 handed) FTR converter on zerodivide.cx

SB (t970)
BB (t910)
UTG (t1515)
UTG+1 (t910)
MP1 (t985)
MP2 (t800)
MP3 (t695)
CO (t2245)
Hero (t970)

Preflop: Hero is Button with A[img]/images/graemlins/club.gif[/img], K[img]/images/graemlins/diamond.gif[/img].
<font color="#666666">4 folds</font>, MP3 calls t15, <font color="#666666">1 fold</font>, <font color="#CC3333">Hero raises to t55</font>, SB calls t45, BB calls t40, MP3 calls t40.

Flop: (t217.50) 7[img]/images/graemlins/spade.gif[/img], T[img]/images/graemlins/heart.gif[/img], A[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(4 players)</font>
<font color="#CC3333">SB bets t35</font>, BB folds, MP3 folds, Hero calls t35.

Turn: (t287.50) 9[img]/images/graemlins/club.gif[/img] <font color="#0000FF">(2 players)</font>
<font color="#CC3333">SB bets t50</font>, <font color="#CC3333">Hero raises to t200</font>, SB calls t150.

River: (t687.50) 4[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(2 players)</font>
<font color="#CC3333">SB bets t55</font>, Hero ?

A blocking bet or begging me to raise?