Dream of

I dreamed I was trapped in my house by a big black dog, or maybe a wolf not sure. It would stay close to me and just stared at me. It didn't want to let me leave, and it would hurt or kill anyone who tried to come in and help me. i finally got away and was running form it and ridding in a car going down the street, when all al a sudden it road and ground came up and formed a wall blocking me in so I couldn't get away.