So i want to make a dragonborn that will be my personal "canon" one. I want to make it a nord warrior since its skyrim, i know im gona do the companions quest but what other questlines should i do, also which side in the civil war?

All Dragonborn are 'canon'. Even the modded ones. It all depends on how you read the scroll.

Well if hes a true Nord and Talos worshiper and like most Nords, doesnt like the empire, go Stormcloak. Plus Skyrim feels much less Nordic when you got Roman-ish imperials all around the place. Plus they call you Stormblade which is damn cool

I dont mean the actual canon dragonborn i mean the one im going to consider canon in my own mind.

Actually, most Nords don't hate the Empire, and the few that do tend to hate everyone. After all, the Empire was made by Nords.

I stand by my statement: Feel free to make your "Canon" dragonborn whatever the heck you feel like. Mine's a khajiit banned from Elsweyr for hating the Aldmeri Dominion and excessive counts of indecent exposure who enjoys chopping up elves, mincing Nords, and hugging bandits.

My cannon dragonborn was a nord warrior who aided the storm cloaks. Also did the majority of the daedric quests and choose not to champion the daedra. He was also one of the greatest smithes in all of skyrim...maybe even all of nirn. Also spared...um that guy the blades want you to kill who helps you master the thu'um. Did the mages quest, he was accepted do to his amazing ability with the thu'um, and really the mages needed a champion more than a guild master

But it is your cannon so you should decide for yourself

There is no PC canon, when it comes to choices. Its made vague by Beth on purpose. When there is confliction, a Dragon break happens. But, whatever you do is your canon, somewhat, like Scow says.

Stormcloaks in the war

Mine is... well, read the signature. Nothing says "dragonborn" like 220 kilos of sentient, tool using bipedal lizard.