The info below is a bit out of date as it refers to the beta. If you happen to be looking for an up-to-date reference for your Dragonknight, I suggest this eso guide . It includes some killer advice on leveling up, builds, skill rotation, and gold farming.
If I were to be asked what race to play in Elder Scrolls Online: Dragonknight today in the here and now, I would definitely recommend the Khajiit.
For one thing, they are naturally a stealthy and agile race, which can definitely come in handy during a battle or if you are just trying to lift something off of someone or from somewhere. Which can also make them the right beast for assassin work.
Also their ability to refine moon sugar into skooma ,which when consumed in large drinkable amounts, can cause your character to run extremely fast. This seems like nothing but a great benefit to me especially since the Khajiit can function relatively more normal under skooma’s influence than other races can.
I also love how overall they prefer to use their own built-in weapons , aka their claws, rather than other weapons which they tend to despise. This is a great benefit seeing as with a built-in weapon, you are always carrying it with you no matter what! Another great built-in ability that they have developed that is perfect for being stealthy is night vision. This is a great asset to be able to see your enemy coming when they can’t see you.
According to eso guide, another thing to use to your advantage is the many varied appearances and abilities that a Khajiit can have depending on the phase of the moon when it (the Khajiit) was born. This can be an advantage in a group of Khajiit seeing as some of them will be stronger than others or the ability to be faster than others. Teamwork would need to be applied here to make the most of these differences.
In my opinion if you want to have an obvious advantage over the other races in the game then you would pick to play as a Khajiit. The choice just seems that simple to me.
The info above is a bit out of date as it refers to the beta. If you happen to be looking for an up-to-date reference for your Dragonknight, I suggest this walkthrough . It includes some killer advice on leveling up, builds, skill rotation, and gold farming.