My best suggestion is that you visit your local range and or firearms store and try out various firearms. This will allow you to audition different brands and calibers from various manufacturers. You have options from subcompact, compact and even full size that may suit your needs. Invest in training as well once you have decided on your platform, this is essential in keeping up with your capabilities as shooting is a perishable skillset.
My best suggestion is that you visit your local range and or firearms store and try out various firearms. This will allow you to audition different brands and calibers from various manufacturers. You have options from subcompact, compact and even full size that may suit your needs. Invest in training as well once you have decided on your platform, this is essential in keeping up with your capabilities as shooting is a perishable skillset.