Im not sure I agree with whats been said here so far, but based on the theorys given and if I had played it the same way up to this point, I think you have to bet since you dont have the
![The Eight of Diamonds [8d]](https://pofex.com/images/smilies/8d.gif)
. If youre plan is to "bet the flop and not fold", I might check with the
![The Eight of Diamonds [8d]](https://pofex.com/images/smilies/8d.gif)
so he can bluff the scare card but not with out it.