5NL Bad river, check or bet?

[Aceium]

I opted to limp along here hoping to find a good flop to continue on. From prior hands I felt it would be more profitable to hit something with a drawing hand rather than raise and c-bet into the myriad of callers. Feel free to suggest a raise/fold option if you want.

Poker Stars, $0.01/$0.02 NL Hold'em Cash Game, 6 Players
LeggoPoker Hand History Converter

SB: $13.16
BB: $4.94
UTG: $1.98
MP: $2.66
Hero (CO): $7.65
BTN: $2.60

Pre-Flop: T[img]/images/graemlins/club.gif[/img] 7[img]/images/graemlins/club.gif[/img] dealt to Hero (CO)
UTG calls $0.02, MP calls $0.02, Hero calls $0.02, BTN calls $0.02, SB calls $0.01, BB checks

Flop: ($0.12) 5[img]/images/graemlins/club.gif[/img] 2[img]/images/graemlins/club.gif[/img] T[img]/images/graemlins/spade.gif[/img] (6 Players)
SB checks, <font color="red">BB bets $0.06</font>, UTG calls $0.06, MP calls $0.06, <font color="red">Hero raises to $0.40</font>, 4 folds, MP calls $0.34

Turn: ($1.04) K[img]/images/graemlins/club.gif[/img] (2 Players)
MP checks, <font color="red">Hero bets $1</font>, MP calls $1

River: ($3.04) 6[img]/images/graemlins/club.gif[/img] (2 Players)
MP checks, <font color="red">Hero?</font>

How do we feel about this river? I am still pretty certain that I have the best hand. But what is the value in betting here? If I put villan all in on the river is he calling with worse hands enough of the time?

[bsball8806]

VB small, like 1.4. Only 4 hands beat us (Ac, Qc, Jc, 34c). The small bet may entice him to call with a low flush, or maybe even something worse.