Debbie Wallace

I am hoping that someone on this forum has had a similar situation. In 2012 I transferred my UK pension via QROPS to Canada, unfortunately I had to return to the UK in 2013. The UK pension was transferred into a RRIF, since then I have had to come to realise that I cannot get the pension back to the UK without significant tax implications. I am now looking to retire in the next 3 years aged 65, I am so confused as to how to drawn down a monthly income from my RRIF in the most tax efficient way. I have read so much information but remain totally baffled. Can anyone help me? Thank you.