TRS female jack symbol in Kicad
But Im not sure if it is a TRS female jack, since 2 and 1 are seems
  connected


It's not the jack socket that you want. The jack socket you show is suitable for a standard mono jack plug. Notice the difference between the two plugs: -



The socket symbol you have is one that has a contact operated when you insert the plug. What you probably need is a three pin symbol like this: -