A Trackback is simply an acknowledgment. This acknowledgment is sent via a network signal (ping) from Site A (originator) to Site B (receptor). The receptor often publishes a link back to the originator indicating its worthiness.
Trackback requires both, Site A and Site B to be Trackback enabled in order to establish this communication. Trackback does not require for Site A to phisically link to Site B.
Step by Step: How to Use Trackbacks:
Since I was new to the use of trackbacks & pingbacks, it took me a few weeks to really understand the concept and how to best implement it. Seems like every tutorial that I read was confusing so I came up with my own version to educate my forum members. Just 4 steps that even newbies should be able to understand.
So, no you should not add your blog url there.
In the global V7N rules, you will find informations about when and how-to add blog rss feed to your profile.