I think hakuryuu and Judar actually cared about each other in some kind of way.

They had a strong bromance!!!

Yeah. Hakuryuu called Judar his half, because they understood each others' pain without it being spoken (much). Aladdin and Alibaba are basically their opposite. While they have their own troubles, Haku and Judar wishes they could be like those two, or at least be friends with them. It's a 4-way connection. Aladdin was sad he had to send Judar away, too.