I can’t remember when / where I saw this post on OGS, but there was a really useful post I remember seeing in the past where someone broke down the various skills / strategies and how certain ranks were better at them
Example: a 1 dan player may be better at shape and direction of play (compared to a 1 kyu, etc), but a 3 dan will have more experience at life-and-death and whole-board thinking, which is what allows them to succeed in situations where 1 dan players struggle (I’m making this up / paraphrasing)
If someone could help me find that OGS Forum thread, that would be really relevant here, because those areas would be a good place to focus your studies as you try to go from your current high SDK to 1 dan or above, etc.
Also, there have been some good forum discussions on breaking through the 1 dan barrier: