Villan hasn't played a hand yet after a few deals. No reads. Here we go!

No Limit Holdem Ring game
Blinds: $2./$4.


Stack sizes:
UTG: $588.80
UTG+1: $329.50
UTG+2: $279.90
MP1: $292
MP2: $466
MP3: $319.40
CO: $371.90
Button: $479
SB: $414.30
Hero: $565.50

Pre-flop: (10 players) Hero is BB with
8 folds, SB raises to $12, Hero calls.

Flop: ($24, 2 players)
SB bets $24, Hero raises to $84, SB raises to $300, Hero raises all-in $469.5, SB calls all-in $402.3.
Uncalled bets: $618.3 returned to SB.

Turn: ($661.5, 0 player + 2 all-in - Main pot: $1131)


River: ($661.5, 0 player + 2 all-in - Main pot: $1131)


Results:
Final pot: $661.5
Hero shows Qh Th
SB shows 3c 4h

I thought I lost for sure when the river hit.. i guess i should put a note on him.

In the future should I showdown a marginal hand against this guy in similar spot? I dunno how I should play TPWK type hands against this guy anymore.