$27 MTT: Can I make this call on the river?

[TPTK77]

After villain checked the flop, and instacalled my lead on the turn, can I make this min raise call on the river. I believed I was making a think value bet on the river if villain had a missed flush.

Full Tilt Poker, NL Hold'em Tournament, 15/30 Blinds, 9 Players
LeggoPoker.com - Hand History Converter

MP1: 2,725
MP2: 3,030
CO: 2,955
BTN: 2,925
SB: 3,630
Hero (BB): 2,850
UTG: 2,190
UTG+1: 3,825
UTG+2: 2,870

Pre-Flop: (45) T[img]/images/graemlins/heart.gif[/img] J[img]/images/graemlins/heart.gif[/img] T[img]/images/graemlins/heart.gif[/img] J[img]/images/graemlins/heart.gif[/img] dealt to Hero (BB)
UTG calls 30, UTG+1 folds, UTG+2 calls 30, <font color="red">MP1 raises to 100</font>, 4 folds, Hero calls 70, UTG calls 70, UTG+2 folds

Flop: (345) Q[img]/images/graemlins/club.gif[/img] 2[img]/images/graemlins/heart.gif[/img] T[img]/images/graemlins/club.gif[/img] (3 Players)
Hero checks, UTG checks, MP1 checks

Turn: (345) J[img]/images/graemlins/diamond.gif[/img] (3 Players)
<font color="red">Hero bets 250</font>, UTG calls 250, MP1 folds

River: (845) 5[img]/images/graemlins/diamond.gif[/img] (2 Players)
<font color="red">Hero bets 375</font>, <font color="red">UTG raises to 750</font>, Hero ?????