[Marilize]

He should be fine. My boy ate a whole chocolate bunny when he was a puppy and he was fine. He still has a love for chocolate, so I rarely bring it into the house because it's too risky for him. I would be more concerned about the fact that he snatched a cookie from a kid. That's very disrespectful behaviour in dogs and it would be a good idea to nip it in the bud with some training.