I would certainly advocate the Go-Around is the safest option.
Your question(s) have broadly been what to do? And how to do it? In answer to the first part Go-Around. In answer to the second part make every effort using all available aids to fly the MAP both laterally and vertically.
If you have a particular airfield in mind then I am sure that if you ask someone on this forum will be able to give you more specific advice.