If you have TR on 737 with less than 800 hrs, you would have to do the whole TR for full cost.
A friend of me did his TR on CAE a year ago - and now he is doing the RYR TR at CAE.....
However - if you complete Linetraining somewhere else, and gain 800 hours, you could apply thru direct entry F/O
http://corporate.ryanair.com/careers...ment/#737rated