Knicks ‘better pick’ RJ Barrett if he’s available: Ex-team exec

RJ BarrettCHICAGO — Brendan Suhr, the Knicks’ former scouting director and the man who used to run their draft, doesn’t have any misgivings about the club taking 6-foot-7 Duke swingman RJ Barrett as the third pick instead of trading it.

“They better pick him if he’s there,’’ Suhr told The Post at the draft combine, which ended Friday.

“RJ has potential to be as good a scoring guard as we’ve had come into the league in the last 10 years. He’s very versatile, with a mentality to score. He’s dominated every level, dominated at the FIBA [International Basketball Federation] level. And he’s got great size. He’s a winner, comes from great basketball and athletic family. You’re getting a great kid.…