Rice pudding, as the name suggests, would contain high amounts amount of sugar. Which is generally not a good component for a dog, especially for those who are already suffering from diabetes or some sort of obesity-related problem.
Even for healthy dogs, giving them rice pudding wouldn’t be a good idea as the pudding could introduce them to the aforementioned issues if they eat it. Diarrhea is another side effect they could experience after consuming the rice pudding.
Can dogs eat rice pudding? No, you should generally try to keep the pudding away from your dog’s reach as much as possible.