Oh hell. Sirius considered the boy for a moment. Clearly, he was being restrained in his dream, and if Sirius touched him, he was likely to be attacked -- an attack with all a werewolf's strength and speed behind it. He could levitate something over, but that seemed unfair. Perhaps if he broke the context of the dream?
That, he decided, with a sharp nod. He changed form, moved closer yet, and barked -- not loudly, but in his most doglike manner. Another step swept his fur under Faelan's reaching hand.