I will add:

Minecraft is so wholesome. Whatever is said about the effect on video games on health, I think Minecraft is a net positive.

Also, you might look into modpacks. They be wholesome, too. But not mods, specifically modpacks, preferably recently updated and with higher download counts, and it’s basically like a Linux distro where it’s good to have someone else doing the curation and maintaining for you. I need to think about this, but there are many mods (Minecolonies? Create? Animal mods? Factory mods?) that your kid may like, depending on what other stuff they are into.

Separately, you might look into “Minecraftlikes” like Hytale. This may be where the future population or modders go.