First of all, yes. But a sac bunt there is very defensible strategy. Scoring from third doesn't require a hit, and a single run ends the game.
Second of all...Ross? Some power??
It's not cut and dried. The unofficial official rule of thumb is, a play not made requiring "ordinary effort" is an error.
Another unofficial official rule of thumb is, not touched= no error.
These are the guidelines MLB gives to official scorers.