Who is at fault in this accident with a dump truck

by Dale fox
(Niota tn....mcminn co.)

Accident on the road

A dump truck was driveing down the road..a pickup truck was passing the dump truck in a no passing zone..another pickup truck came out of a private driveway without stopping and looking both ways and tbone the passing pickup truck in the driver door causeing that truck to crash into the dump truck..driver of the dump truck did not have any cdl's or a med card..is the dump truck driver held in any way at fault...