50 NL, TPNK, a spot for stupid mistakes?

[Danimal 3000]

Full Tilt Poker - No Limit Hold'em Cash Game - $0.25/$0.50 Blinds - 5 Players - (LegoPoker Hand History Converter)

SB: $49.95
Hero (BB): $60.20
UTG: $57.60
CO: $49.30
BTN: $0.00

Reads: <font color="blue">Villain is 51/17/1.7 over 150 hands</font>

Preflop: Hero is dealt 5[img]/images/graemlins/diamond.gif[/img] J[img]/images/graemlins/spade.gif[/img] (5 Players)
2 folds, BTN calls $0.50, SB folds, Hero checks

Flop: ($1.25) 9[img]/images/graemlins/diamond.gif[/img] J[img]/images/graemlins/club.gif[/img] T[img]/images/graemlins/spade.gif[/img] (2 Players)
<font color="red">Hero bets $1.25</font>, <font color="red">BTN raises to $2.50</font>, Hero calls $1.25

Turn: ($6.25) 9[img]/images/graemlins/diamond.gif[/img] J[img]/images/graemlins/club.gif[/img] T[img]/images/graemlins/spade.gif[/img] 2[img]/images/graemlins/club.gif[/img] (2 Players)
Hero checks, <font color="red">BTN bets $6.25</font>, Hero ?

1. Should I be betting this turn? I have to think I am ahead most of the time, right? Am I seeing monsters under the bed to expect another reraise from this guy?

2. with his turn bet, should I be calling for value or laying it down?