($22) Need help with 2 level 1 hands I think I misplayed postflop

Party Poker No-Limit Hold'em Tourney, Big Blind is t15 (10 handed) FTR converter on zerodivide.cx

MP2 (t800)
Hero (t770)
CO (t920)
Button (t770)
SB (t770)
BB (t800)
UTG (t800)
UTG+1 (t800)
UTG+2 (t770)
MP1 (t800)

Preflop: Hero is MP3 with J[img]/images/graemlins/club.gif[/img], J[img]/images/graemlins/spade.gif[/img].
<font color="#666666">4 folds</font>, MP2 calls t15, <font color="#CC3333">Hero raises to t60</font>, <font color="#CC3333">CO raises to t105</font>, <font color="#666666">3 folds</font>, MP2 folds, Hero calls t45.

Flop: (t247.50) A[img]/images/graemlins/diamond.gif[/img], 7[img]/images/graemlins/club.gif[/img], T[img]/images/graemlins/club.gif[/img] <font color="#0000FF">(2 players)</font>
Hero checks, <font color="#CC3333">CO bets t15</font>, Hero calls t15.

Turn: (t277.50) A[img]/images/graemlins/spade.gif[/img] <font color="#0000FF">(2 players)</font>
Hero checks, <font color="#CC3333">CO bets t15</font>, <font color="#CC3333">Hero raises to t100</font>, CO calls t85.

River: (t477.50) T[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(2 players)</font>
Hero checks, <font color="#CC3333">CO bets t100</font>, Hero calls t100.

Final Pot: t677.50

Should I call this river? His betting patterns make no sense to me, ok confused me, so I called out of confusion really.

Party Poker No-Limit Hold'em Tourney, Big Blind is t15 (10 handed) FTR converter on zerodivide.cx

UTG (t800)
UTG+1 (t800)
UTG+2 (t800)
MP1 (t800)
Hero (t800)
MP3 (t800)
CO (t800)
Button (t800)
SB (t800)
BB (t800)

Preflop: Hero is MP2 with T[img]/images/graemlins/heart.gif[/img], T[img]/images/graemlins/diamond.gif[/img].
UTG calls t15, <font color="#666666">3 folds</font>, Hero calls t15, MP3 calls t15, CO calls t15, Button calls t15, <font color="#666666">1 fold</font>, BB checks.

Flop: (t97.50) 8[img]/images/graemlins/heart.gif[/img], 7[img]/images/graemlins/club.gif[/img], 6[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(6 players)</font>
BB checks, UTG checks, <font color="#CC3333">Hero bets t75</font>, MP3 folds, CO folds, <font color="#CC3333">Button raises to t200</font>, BB folds, UTG folds, Hero calls t125.

Turn: (t497.50) 2[img]/images/graemlins/spade.gif[/img] <font color="#0000FF">(2 players)</font>
Hero checks, <font color="#CC3333">Button bets t200</font>, Hero calls t200.

River: (t897.50) T[img]/images/graemlins/club.gif[/img] <font color="#0000FF">(2 players)</font>
I push [img]/images/graemlins/crazy.gif[/img] (I know, stupid), Button folds.

Final Pot: t897.50

Should I have pushed flop or turn here?