I think we'd need to see a full season of Jones in a different environment than Nashville. The sample size in Columbus is too small.
In terms of potential, I think it's Jones. Actual on-ice play? It's Lindholm.
I feel like this has always the case - Jones hasn't lived up to his potential to this point, but it's so high that he's still in the conversation with other young d-men who came into form a lot quicker.
Who knows, he might do better in CBJ with more opportunities, but he might also crumble under the pressure of being (pretty much) the 2D in a very lackluster D squad in comparison to Nashville. So far, he's been more of the former, not the latter.