A recent preprint posted to bioRxiv investigates how chickpeas have been successfully grown in lunar regolith simulants (LRS), marking the first time such a guideline has been established not only for chickpeas, but also for growing food for long-term human space missions.
I am not familiar with what is required for hydropony, but I would guess it requires more equipment. Plus growing them on Lunar soil means eventually you get some elements from the Lunar soil itself and do not need to have full recycling otherwise, which means you don’t have to have a fully closed cycle for this.
There is still the issue of the closed cycle for air though (which is where Mars is easier than the Moon for medium term colonies).
Seahorses on the moon