Lost of good loads out their.
Clays is a very soft shooting powder around 4.2gr is a nice soft shooting load for practice, and competition.
Titegroup is a little snappier than Clays around 4.5gr is a good load.
I've also used W231 with good success, can't remember the load
Unique is good as well, little dirtier than the others, but usually inexpensive.
My preference is for Clays, but I settled on Titegroup because I can load 9 and 45 with the same powder, so I just have to stock up on one powder for my shooting needs for pistol.
RG has a killer load for .45 using Vihotouri Powder and SWC