starting problems after running dry for diesel. on 1995 Chevrolet G Series Van (G30)

Rookie cbe0621eac06868b3efe0d8d1d3611e23c60d3114864ea2ec19a68cfbd3eebab
on a ice\snow road my van had the left front and rear wheels of the road and in a aprox.18 inch ditch , so the motor stopped because of lack of diesel, ? it was maybe 2 gallons left in the tank,when I got the van leveled again I filled 20 gal. ,but now it want start. startingmotor is turning the motor with 2 new batteries,,no smoke is coming from ekshauspipe. whether condition is very cold ,-20degr.cels.
(1) Answer
once the injector pump runs dry, it will have to be bled. hopefull it didn't ruin the pump or it can cost about $2000 to get replaced