Missed bets?

[beta1607]

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

3rd Street - (0.50 SB)

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

4th Street - (2.50 SB)

Hero: A[img]/images/graemlins/heart.gif[/img] 3[img]/images/graemlins/heart.gif[/img] 3[img]/images/graemlins/diamond.gif[/img] 4[img]/images/graemlins/heart.gif[/img]___bets
Seat 7: xx xx 2[img]/images/graemlins/diamond.gif[/img] 6[img]/images/graemlins/club.gif[/img]___checks___calls

5th Street - (2.25 BB)

Hero: A[img]/images/graemlins/heart.gif[/img] 3[img]/images/graemlins/heart.gif[/img] 3[img]/images/graemlins/diamond.gif[/img] 4[img]/images/graemlins/heart.gif[/img] 8[img]/images/graemlins/spade.gif[/img]___bets___calls
Seat 7: xx xx 2[img]/images/graemlins/diamond.gif[/img] 6[img]/images/graemlins/club.gif[/img] K[img]/images/graemlins/diamond.gif[/img]___checks___raises

6th Street - (6.25 BB)

Hero: A[img]/images/graemlins/heart.gif[/img] 3[img]/images/graemlins/heart.gif[/img] 3[img]/images/graemlins/diamond.gif[/img] 4[img]/images/graemlins/heart.gif[/img] 8[img]/images/graemlins/spade.gif[/img] 2[img]/images/graemlins/spade.gif[/img]___checks
Seat 7: xx xx 2[img]/images/graemlins/diamond.gif[/img] 6[img]/images/graemlins/club.gif[/img] K[img]/images/graemlins/diamond.gif[/img] Q[img]/images/graemlins/spade.gif[/img]___checks

River - (6.25 BB)

Hero: A[img]/images/graemlins/heart.gif[/img] 3[img]/images/graemlins/heart.gif[/img] 3[img]/images/graemlins/diamond.gif[/img] 4[img]/images/graemlins/heart.gif[/img] 8[img]/images/graemlins/spade.gif[/img] 2[img]/images/graemlins/spade.gif[/img] 2[img]/images/graemlins/club.gif[/img]___checks
Seat 7: xx xx 2[img]/images/graemlins/diamond.gif[/img] 6[img]/images/graemlins/club.gif[/img] K[img]/images/graemlins/diamond.gif[/img] Q[img]/images/graemlins/spade.gif[/img] xx___checks

Total pot: (6.25 BB)

My opponent and I were playing 3 handed earlier and I was pushing him around. I was 70% sure he was on a flush draw, should I have 3-bet 5th? I know I certainly should have bet 6th when checked too. What about checking behind 7th?