Boy are you lost. Trump said the BLM does a fine job and thinks that unconstitutional Federal lands should so remain.
Cruz is the only candidate who has advocated dissolving the Federal domain.
The BLM owning land, as opposed to states owning it, is different from persecution of ranchers doing a controlled burn.
You'd probably have to get the ear of one of Trump's trusted advisors, and have them explain the situation first: but I bet he'd actually listen, once that happened.