Get a good weapon. I beat him with a training sword and Artix and a pet.
You have to be a very high level with a dragon amulet because if you are lower than level twenty it will knock you out in one hit.
theres a video on youtube.com about it
You dont buy it,you do quests to earn it. You can't buy it but once your level 3 talk to twilly in falconreach and do the dragon egg saga hope i helped =) ~dragonlord~
Toddler Dragon? you mean the baby dragon? follow twilly's quest chain (falconreach) You can also talk to Lady Celestia to "Grow him"