For the amount of time and effort you have to go through to get a student visa, 5 hours just wouldnt be worth it. This is coming from a person who did the full PPL in the states.
Saying that, I strongly believe in getting as much experience as possible during the training and flying in different types of controlled/uncontrolled airspace is always good. As is flying into fully controlled and uncontrolled airports.
Have a look at the costs of getting your visa and fingerprints done etc and see if you can stretch that 5 hours to 10 and it may be more worth it. Just make sure the school you choose offers the EASA syllabus and you will be able to log the training. Good luck!