I approve of this new Dragon faction in the hopes that it can erase the legacy of some of the prior ones. I see new people and fresh drive and that's what I want to see.
Right now the only character I have in Kusari is Ame-chan, who you've already met. Consider it a rite of passage for any new BD faction to be savagely attacked by her. Do note though, that she isn't a "normal" member of the KNF and mostly does her own thing, and the Dragons (as in, the NPC faction) would probably be familiar with her by now. (come to think of it, the Order would probably have a thick dossier and contingency plans as well).
Furthermore, Planetform frequents Kusari these days because all of our good trade routes go to dramatically obtuse places like Atka and Nagano. I'm curious to your stance on Piracy, Foreign Traders, and Planetform itself.
Other than that, I'd suggest studying some old Samurai history, lore, and culture. Or just RPing the Dragons like Shogun 2. Either/Or. Playing up the Samurai-ness is important to ensuring that the Dragons' personality as an organization is distinct from groups like the Kusari Exiles/GC/AFA/etc.