R.A.
He's in kindergarten. I wouldn't push him too hard if he isn't ready. Some aren't yet at that young age. I know my son wasn't into reading until now. He's in second grade. Once they are more confident and able to read more fluently, I don't think you will have that much of an issue. Especially when it they are reading something of an interest to them.
My son loved planes at 5 ( still does), so I would find all of the plane books I could find, that were for beginner readers and read it to him first. Then, the second time, I asked him to read a few pages. Pretty soon he was reading the whole book. I would also praise him after each time we read together.