Two thoughts come to mind. One, safari sling the rifle, so that it's more comfortable. That's cheaper than a new gun, or a trade that doesn't profit you.
Two, tax return time is coming up. Maybe Uncle Sam is giving you enough back to go buy a new rifle. Why not wait, save, or whatever, since next hunting season is a long ways off. I've often regretted letting a gun go down the road, and letting two go would be twice the regret.
I'm always nervous about left handed folks shooting right handed rifles, especially semi autos, but also pump and lever guns. If the case ruptures, a lefty's face will be in the line of fire for hot gas, melted bits of case, and any pieces of receiver that bust off. I had a factory shell let go in a semi auto rifle once, and I'm glad that gun was on my right shoulder.
Is that Ruger a Blackhawk or a Vaquero? If it's a Vaquero, maybe I could help you come up with some cash for your new rifle.