52s in SB - Ugly

[Scarmiglio]

I think I botched this hand pretty badly. Maybe my vacation made me a little passive.

Hero has 5[img]/images/graemlins/diamond.gif[/img]2[img]/images/graemlins/diamond.gif[/img] in the SB at a typical lp table. 5 callers, Hero completes, BB checks.

7 to the flop (7sb) Q[img]/images/graemlins/spade.gif[/img]T[img]/images/graemlins/diamond.gif[/img]2[img]/images/graemlins/spade.gif[/img] Checked to MP who Bets, 2 callers, Hero peels, UTG calls.

5 to the turn (6bb) 5[img]/images/graemlins/club.gif[/img] Checked to MP who bets, 1 caller, Hero chickens out and calls, UTG calls.

4 to river (10bb) blank - Checked around

I think somewhere in my brain I was thinking that bottom 2 pair on a draw heavy board is very likely to get drawn out on, so I didn't want to invest 2 bets on the turn, but that is weak thinking. I think that as played not donking the river is terrible. Thoughts?