I dreamed of kissing an old friend that I haven't seen in a while, could this be a sign that I should contact him again?
Based on the cards drawn, it seems that the dream is a positive sign that prompts you to reconnect with your old friend. Justice and The Sun show that there is a desire to reconnect with him and to renew the friendship. On the other hand, Nine of Swords reversed shows that there may be some issues to be resolved before contacting him again. Therefore, the answer to the question is most likely "yes", but considering the orientation of the cards it would be better to take precautions before contacting him.