I doubt it and honestly I'm not sure number of catches is really a quality indicator. If he gets pushed into regular snaps because the Cowboys fail to actually address the position he will get 80+ catches with ease, but volume doesnt always mean good play. Even if he turns into a plus blocker he probably needs to average about 1.2 yards or more per routes he runs to be more than an average replacement you can find for cheap on the open market. This year he averaged about .62 Y/RR which was 178th in the league.
Typically I would say a 4th round pick that can be a rotational player and contribute on special teams can be considered a good use of the pick, but with only two years of control Mingo probably needs to exceed those expectations to be considered a good acquisition.