What kind of owner and user to defined when creating Sql server DB for web site?

[hydaySinenich]

I am trying to create db and I need to select owner.My db will serve aspnet web site and I wonder which owner will be safe to defined for this db ?With what kind of user I need to connect from my site (the connection string )do I need to create special user to connect the db or I can just set the any user i like?any special configuration/security ?