Whether you are being asked to review a paper, or need to respond to a review, these articles can help.
Benos, Kirk, K. L., & Hall, J. E. (2003). HOW TO REVIEW A PAPER. Advances in Physiology Education, 27(2), 47–52. https://doi.org/10.1152/advan.00057.2002
Annesley. (2011). Top 10 tips for responding to reviewer and editor comments. Clinical Chemistry (Baltimore, Md.), 57(4), 551–554. https://doi.org/10.1373/clinchem.2011.162388
Derish. (2011). How to write a rave review. Clinical Chemistry., 57(3), 388–391. https://doi-org.libproxy.sdsu.edu/10.1373/clinchem.2010.160622
There are also options for open peer review with some publishers and journals:
Schmidt, B., Ross-Hellauer, T., van Edig, X., & Moylan, E. C. (2018). Ten considerations for open peer review. F1000Research, 7, 969. https://doi.org/10.12688/f1000research.15334.1
Le Sueur, H., Dagliati, A., Buchan, I., Whetton, A. D., Martin, G. P., Dornan, T., & Geifman, N. (2020). Pride and prejudice - What can we learn from peer review?. Medical teacher, 42(9), 1012–1018. https://doi.org/10.1080/0142159X.2020.1774527
And just in case, here's help if you need to peer review data: https://plos.org/resource/peer-reviewing-data/