Stud8 - folding aces up on fifth?

[roggles]

$33 HORSE sng. Unknown villain with hearts showing, except he/she appears to be a girl, which probably means she's a worse player.

What do you think of the following hand:

Tournament - 7 Card Stud High-Low (80/160), Ante 15, Bring-In 25 (converter)

Seat 1: 935
Seat 2: 205
Hero: 2,090
Seat 4: 2,060
Seat 5: 2,460
Seat 6: 425
Seat 7: 2,010
Seat 8: 1,820

3rd Street - (1.50 SB)

Seat 1: xx xx 6[img]/images/graemlins/club.gif[/img]___calls___calls
Seat 2: xx xx A[img]/images/graemlins/club.gif[/img]___folds
Hero: 7[img]/images/graemlins/diamond.gif[/img] 3[img]/images/graemlins/diamond.gif[/img] A[img]/images/graemlins/diamond.gif[/img]___completes
Seat 4: xx xx 4[img]/images/graemlins/diamond.gif[/img]___folds
Seat 5: xx xx T[img]/images/graemlins/heart.gif[/img]___calls
Seat 6: xx xx J[img]/images/graemlins/heart.gif[/img]___folds
Seat 7: xx xx 2[img]/images/graemlins/spade.gif[/img]___brings-in___calls
Seat 8: xx xx 9[img]/images/graemlins/diamond.gif[/img]___folds

4th Street - (5.50 SB)

Seat 1: xx xx 6[img]/images/graemlins/club.gif[/img] 5[img]/images/graemlins/spade.gif[/img]___calls
Hero: 7[img]/images/graemlins/diamond.gif[/img] 3[img]/images/graemlins/diamond.gif[/img] A[img]/images/graemlins/diamond.gif[/img] 7[img]/images/graemlins/spade.gif[/img]___checks___calls
Seat 5: xx xx T[img]/images/graemlins/heart.gif[/img] Q[img]/images/graemlins/heart.gif[/img]___bets
Seat 7: xx xx 2[img]/images/graemlins/spade.gif[/img] 3[img]/images/graemlins/spade.gif[/img]___calls

5th Street - (4.75 BB)

Seat 1: xx xx 6[img]/images/graemlins/club.gif[/img] 5[img]/images/graemlins/spade.gif[/img] 6[img]/images/graemlins/diamond.gif[/img]___calls
Hero: 7[img]/images/graemlins/diamond.gif[/img] 3[img]/images/graemlins/diamond.gif[/img] A[img]/images/graemlins/diamond.gif[/img] 7[img]/images/graemlins/spade.gif[/img] A[img]/images/graemlins/spade.gif[/img]___checks___folds
Seat 5: xx xx T[img]/images/graemlins/heart.gif[/img] Q[img]/images/graemlins/heart.gif[/img] 6[img]/images/graemlins/heart.gif[/img]___bets
Seat 7: xx xx 2[img]/images/graemlins/spade.gif[/img] 3[img]/images/graemlins/spade.gif[/img] 2[img]/images/graemlins/club.gif[/img]___calls