How can i make this dash script work the way i want?

I'm trying to make a script that makes the character model dash backwards when i double tap S. I managed to make the double tap part work but the problem is that the dash animation replays every single time i double tap S.

local UIS = game:GetService('UserInputService')
local replicatedStorage = game:GetService('ReplicatedStorage')
local backDashEvent = replicatedStorage:WaitForChild('DashEvents').BackDashEvent


local player = game.Players.LocalPlayer
local char = player.Character
local hum = char:WaitForChild('Humanoid')
local root = char:WaitForChild('HumanoidRootPart')


local animation = Instance.new('Animation')
animation.AnimationId = 'rbxassetid://04793471389'
local load = hum:LoadAnimation(animation)


local check = false


UIS.InputBegan:Connect(function(input,gameProcessed)
	if input.KeyCode == Enum.KeyCode.S and not check and not gameProcessed then
		check = true
		wait(0.2)
		check = false
	end
end)


UIS.InputBegan:Connect(function(input,gameProcessed)
	if input.KeyCode == Enum.KeyCode.S and check and not gameProcessed then
		
		load:Play()    <----- the animation replays every time i double tap S
		backDashEvent:FireServer(root)
		
		check = false
	end
end)

Line 32 i believe is where the problem is. I understand that i need some sort of debounce to put a cooldown on the animation but i'm not sure where i can insert it.

I think this will work:

local animTrack = load:GetPlayingAnimationTracks ( ) --we need AnimationTracks because it has Stopped event

UIS.InputBegan:Connect(function(input,gameProcessed)
	if input.KeyCode == Enum.KeyCode.S and check and not gameProcessed then
		if animTrack.Stopped then --check the AnimationTracks is stopped or not
			animTrack:Play()
		end

		backDashEvent:FireServer(root)
		check = false
	end
end)

AnimationTrack