MNIONC: I heard my son say that evolution has so many holes and how could something happen from nothing.
The first thing you need to do is to explain to your son that evolution is not the same thing as discussing the origin of life.
Evolution is indisputable. Even the WTBTS acknowledges that, only in such weasely language that it is hard to see unless you're really looking.
No one knows how life began. No one. This is why many people give up looking for answers, shrug their shoulders and say, "God did it!"
Maybe there was some outside intelligent being that started life here on this planet. I think the evidence for such a hypothesis is weak, but no one knows for sure. And of course you still have the problem of "Where did that creator come from?" At least for now, that is an unanswerable question either way.
On the other hand, if there was some intelligent being(s) that planted/seeded/started life here on Earth, it sure as hell wasn't the capricious, narcissistic, genocidal desert god of the Old Testament. Now THERE'S A STORY THAT'S FULL OF HOLES!