I still find it insane that Trump can even break 10% with latin americans.
I'd expect his numbers among Tejanos (old-school Texas Hispanics whose ancestry in the US goes back 100 years or more) are pretty decent. They're the reason why Texas Hispanic polls always end up like 60-40 D-R rather than the overwhelmingly D numbers you get in many other places: there's a very integrated older Hispanic community in Texas in particular who tend to have a pretty stable and senior position in parts of southern Texas and some degree of disdain/contempt for more recent Hispanic immigrants.
Not only that they're like 30-50% Evangelical Protestant