You will need to have a dual master cylinder hand brake if you wanted to retain ABS. Something like this
https://www.compbrake.com/product/tw...le-2-cylinder/
I opted for the line lock route myself. Used 2 of the solenoids below with the required fittings and hoses. Think I used 6" from the OEM hardline to the solenoid and then 18" from the solenoid to the caliper
https://www.summitracing.com/parts/sum-760002