As the title says the moon doesn’t have a dark side - that is a Pink Floyd album. The moon rotates similar to the Earth, but has a day length about 28 Earth days. So all sides will get sunlight,
One side does always faces us (gravitationally tidally locked) and we only see one side, so there is a far side, which very, very few humans have actually seen in person.
It came up a few times on the Artemis thread and I just wanted to get that off my chest.