You can’t really go wrong with the Kenda Nevegals. They doesn’t excel in any one category, e.g. rolling resistance, grip, weight or durability, but are ‘good’ in all of them and not too expensive. No weaknesses, and you will struggle to find a tyre that is better in any way without sacrificing something else. I like the DTC, but you may wish to consider a stick-E up front if you ride rocks a lot. They do err slightly on the grippier side though, I have been running them through winter but if we get a dry summer I might chuck a faster rolling tyre on the rear.
A lot of people talk about Continental Mountain Kings. I’ve not tried them but they are a bit more controversial. If you do go for them get the ProTection or Supersonic ones, as these have a better rubber compound (Black Chili) that is apparently better on rocks.
My tuppence worth.