Reasonable 3rd street play?

I figured with 3 overcards (even though an ace was dead) and a backdoor straight draw, that I had decent equity here, and by raising I stood a decent chance of getting him to fold the current best hand. Is this too aggressive, or no?

7 Card Stud High ($5/$10), Ante $0.50, Bring-In $2 (converter)

3rd Street - (0.70 SB)

Seat 1: xx xx T[img]/images/graemlins/heart.gif[/img]___raises___calls
Seat 2: xx xx A[img]/images/graemlins/spade.gif[/img]___folds
Seat 3: xx xx 7[img]/images/graemlins/spade.gif[/img]___folds
Hero: A[img]/images/graemlins/diamond.gif[/img] K[img]/images/graemlins/heart.gif[/img] J[img]/images/graemlins/diamond.gif[/img]___raises
Seat 5: xx xx 2[img]/images/graemlins/spade.gif[/img]___brings-in___folds
Seat 6: xx xx 7[img]/images/graemlins/club.gif[/img]___folds
Seat 8: xx xx 8[img]/images/graemlins/diamond.gif[/img]___folds