Seeing dog is considered good as per those who believe in dream interpretation. A dog in dream means you will be soon finding a good companion. In Hindu religion there is an ancient scripture known as Swapna Shastra which gives interpretation and meaning of various dreams. Some dreams are bad and some are good.
The main belief is that those who see dog in dream will be blessed with opportunity to find new friendship.
People who have seen dog in dream have seen positive changes in life.
Seeing dog barking at you in dream is a kind of warning about negativity surrounding you.
When negative and evil forces are influencing your thoughts you will see dogs barking or chasing you.