Yes, he dropped the screen, it was a little low. And he would probably have been blown up. The rest of the time he was open. I think the only other target he had skipped off the turf about 10 yards in front of him.
It's a hedge against Caleb and injury. But it might become an issue if Caleb starts to struggle in his second season, with a new coach/system. Good for Tyson getting some. Clip board holder is one of the best jobs there is in the NFL.