just be aware that a trigger job will not make you a better shooter, nor make you more accurate, nor give you trigger control. all of that comes with practice and technique.

try these grips and this grip technique.

Hogue Bantam Grips with Top Finger Groove S&W J-Frame Round butt

PRO TIPS with JERRY MICULEK, shootingusa.com/, sixth panel down - j-frame grip

the hogue bantams will absorb most of the kick while jerry's technique will allow you to better learn trigger control with the j-frame's DA.