My budget is around 200 to 300 and I'd prefer a 24 inchRecommendations depend on your budget and preferred monitor size.
Size would be a 24 inch I don't really know too much about panel types I don't really know if hdr is good for gaming or not and for the response time the lowest I can get for $200-$300size, panel type, HDR, response time, exact budget?
you're leaving out many options that need to be included to offer any real recommendations.