Bet this river? Fold to a raise?

[@bsolute_luck]

just sat down but seems pretty ABC and full of LPs
$1/$2 10-handed

Hero is BB A[img]/images/graemlins/diamond.gif[/img]T[img]/images/graemlins/club.gif[/img]

Preflop: 4 limps, Hero checks

Flop T[img]/images/graemlins/heart.gif[/img]4[img]/images/graemlins/spade.gif[/img]6[img]/images/graemlins/spade.gif[/img]
<font color="red">Hero bets</font>, UTG calls, UTG+1 calls, <font color="red">MP1 raises, Hero 3-bets</font>, UTG folds, UTG+1 folds, MP1 calls

Turn T[img]/images/graemlins/spade.gif[/img]
<font color="red">Hero bets</font>, MP1 calls

River Q[img]/images/graemlins/club.gif[/img]
<font color="blue">Hero????</font>