how best to recover from sick drive problem

I wish to make an image of my current system and files, and re-
establish it on a new drive.
Seatools and CrystalDisk say the drive is not repairable. Excessive
Non-reallocatable sectors and running too hot .
The PC is runs but very sluggish and I fear it will suddenly crash and
take my stuff with it.

I wish to make an image of my current system and files, and re-
establish it on a new drive.
The question is if I create an image of my C drive using perhaps
WDAcronis on an external USB drive, then put another drive into my
Dell, can I reload the image on the new drive successfully? to resolve
the issues?
Or is there a better way?
Please peak slowly and use simple language,
I have never actually installed an OS or imaged B4 but it is time I
learn how.