The dream that you had about your uncle was simply a way for your uncle to say his goodbyes to his brother using you as the messenger, since you are obviously more open and susceptible than your father.
It definitely sounds as if you have some empathic abilities. Empaths are able to sense, feel, or know the emotions of people they are around. Please read my answer to Nicholl from Woodbridge, VA to find more information about controlling it.
As for your "ghost" question, there are billions of ghosts that live around us. Everywhere you work probably has ghosts and multiple ghost stories. No need to be a Nervous Ned.