is this the 35% rule in action or am I a donkey?

PP 10+1 sng, 6 handed
blinds 50/100

It is folded around to me in the small blind with 1300, villain has 2300.

Hero has: As3h

Hero raises to 400
villain calls
flop Qs6h4d
pot 800, I have about 800 - villain has about 1900

Now, this is a pretty good flop for me, not because I hit it but because it would be hard for him to hit it with any hand that would be calling a raise.

I want to move at this pot.

I was going to make a standard continuation bet (around 400). lately, however I have been mulling around the archives and have become familiar with the "35% rule" wherein (correct me if i am wrong) if you are going to make a bet that is greater than or equal to 35-40% of your stack - you should go all in.

So I went all in

Villain calls, showing Ks6c

Turn is a blank
River is a blank

Villain wins 2600 with a pair of sixes.


Thoughts?