50nl - TP gets donked on turn

[Sorcerer808]

Villain is 41/2/1.5

What's your plan on turn and why?

Party Poker - No Limit Hold'em Cash Game - $0.25/$0.50 Blinds - 5 Players - (LegoPoker HH Converter (http://www.legopoker.com/hh))

SB: $59.72
BB: $52.31
UTG: $65.32
CO: $51.03
Hero (BTN): $82.25

Preflop: Hero is dealt A/images/graemlins/spade.gif 7/images/graemlins/heart.gif (5 Players)
UTG folds, CO calls $0.50, <font color="red">Hero raises to $2.50</font>, 2 folds, CO calls $2.00

Flop: ($5.75) 2/images/graemlins/spade.gif 4/images/graemlins/heart.gif A/images/graemlins/diamond.gif (2 Players)
CO checks, <font color="red">Hero bets $3.75</font>, CO calls $3.75

Turn: ($13.25) 4/images/graemlins/diamond.gif (2 Players)
<font color="red">CO bets $7.50</font>

[BevillTheDevil]

pretty easy fold IMO, what do we really beat here? A2-A3, A5-A6...bad played mid PP?? and even 4x got there. River we will probably split at best but most likely still be behind.