Weight loose

I’ve been working out for many years now, and i want to know how I can tone my body better without losing a large portion of weight, mostly my chest and midsection? I’m 6ft 198lbs I would like to be around 195 but in much better “shape”. My diet sucks and i’m trying to work on it, but I work out at the gym 2-3 times a week lifting weights and running. I dont run a whole bunch though, would that help my problem or will that just make me lose wieght?
Elenora
Weight Training