QJ limped pot. turn c/r but its fishy, call down?

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Poker Stars - No Limit Hold'em Cash Game - $1/$2 Blinds - 6 Players - (LegoPoker HH Converter)

<u>SB: $233.30</u>
<u>Hero (BB): $368.10</u>
UTG: $220.25
MP: $175.90
CO: $86.70
<font color="black">BTN: $64.75</font>

<font color="black">Preflop:</font> Hero is dealt Q[img]/images/graemlins/diamond.gif[/img] J[img]/images/graemlins/heart.gif[/img] (6 Players)
3 folds, BTN calls $2, SB calls $1, Hero checks

<font color="black">Flop:</font> ($6) 5[img]/images/graemlins/spade.gif[/img] J[img]/images/graemlins/club.gif[/img] 7[img]/images/graemlins/club.gif[/img] (3 Players)
<font color="red">SB bets $6</font>, Hero calls $6, BTN folds

<font color="black">Turn:</font> ($18) T[img]/images/graemlins/spade.gif[/img] (2 Players)
SB checks, <font color="red">Hero bets $12</font>, <font color="red">SB raises to $42</font>, Hero calls $30

<font color="black">River:</font> ($102) 3[img]/images/graemlins/heart.gif[/img] (2 Players)
<font color="red">SB bets $70</font>, Hero calls $70

villain is 24/20 with an aggro factor of 24!! over 198 hands
pretty sure he is a 2p2er. why would he check a made hand on the turn in a limped pot? nice call or donation?
havent seen him get out of line yet, but im pretty sure he is capable of making moves