Dream About Son Horse Accident Doll

Being in a new school but unfamiliar with where to go or which I'm in. Then seeing my youngest son and his friends pulling out of a parking stall and nearly hitting a pedestrian, the pedestrian then goes to scold my son but the truck he was driving turns into a horse and the horse gets spooked and tips the cart he's on. He then dies from being cut in half but he turns into a doll like figure